2PKA
REFINED 2 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF PORCINE PANCREATIC KALLIKREIN A, A SPECIFIC TRYPSIN-LIKE SERINE PROTEINASE. CRYSTALLIZATION, STRUCTURE DETERMINATION, CRYSTALLOGRAPHIC REFINEMENT, STRUCTURE AND ITS COMPARISON WITH BOVINE TRYPSIN
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, X | KALLIKREIN A | polymer | 80 | 9119.1 | 2 | UniProt (P00752) Pfam (PF00089) In PDB | Sus scrofa (pig) | |
| 2 | B, Y | KALLIKREIN A | polymer | 152 | 16511.5 | 2 | UniProt (P00752) Pfam (PF00089) In PDB | Sus scrofa (pig) | |
| 3 | B, Y | BENZAMIDINE | non-polymer | 120.2 | 2 | Chemie (BEN) | |||
| 4 | water | water | 18.0 | 85 | Chemie (HOH) |
Sequence modifications
B, Y: 95 - 243 (UniProt: P00752)
| PDB | External Database | Details |
|---|---|---|
| Asp 148 | - | insertion |
| Asp 170 | - | insertion |
| Asp 174 | - | insertion |
| Asp 239 | Asn 222 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 51261.2 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 240.3 | |
| All* | Total formula weight | 51501.5 |
